Accumulated Other Comprehensive Income (Loss) - Net Changes in Accumulated OCI by Component, Net of Tax (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (498.5)	$ (364.2)
Other comprehensive income before reclassifications	44.2	19.9
Amounts reclassified from Accumulated OCI	3.9	4.2
Net other comprehensive income (loss)	48.1	24.1
Ending balance	(450.4)	(340.1)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(217.7)	(118.5)
Other comprehensive income before reclassifications	38.1	19.9
Net other comprehensive income (loss)	38.1	19.9
Ending balance	(179.6)	(98.6)
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	9.2	0.7
Other comprehensive income before reclassifications	6.1
Amounts reclassified from Accumulated OCI	(0.3)	(0.1)
Net other comprehensive income (loss)	5.8	(0.1)
Ending balance	15.0	0.6
Defined Benefit Pension and Postretirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(290.0)	(246.4)
Amounts reclassified from Accumulated OCI	4.2	4.3
Net other comprehensive income (loss)	4.2	4.3
Ending balance	$ (285.8)	$ (242.1)